Q1: Which OS is used to operate the mobile phones?
- a) smart card OS
- b) embed OS
- c) multi user OS
- d) DOS
Q2: Which is not internal command?
- a) scandisk
- b) xcopy
- c) deltree
- d) all of the above
Q3: Which of the following is not a system tool?
- a) scan disk
- b) skin disk
- c) backup
- d) drive space
Q4: Which file system does DOS typically use?
- a) FAT 16
- b) FAT 32
- c) NTFS
- d) WNFS
Q5: What are user actions such as keystroke or mouse click known as?
- a) interrupt
- b) task
- c) event
- d) process
